There are______ 7,000 known languages around the world but more than half of them might disappear by the end of this century.( ?。?/h1>
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【答案】A
【解答】
【點(diǎn)評(píng)】
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發(fā)布:2024/12/27 18:30:2組卷:6引用:3難度:0.7